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** This file is part of the examples of the Qt Toolkit.
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#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <Standard_WarningsDisable.hxx>
#include <QMainWindow>
#include <Standard_WarningsRestore.hxx>

#include <AppStd_Application.hxx>

class QAction;
class QMenu;
class GraphWidget;

static Handle(AppStd_Application) gApplication;

class MainWindow : public QMainWindow
{
    Q_OBJECT

public:
    MainWindow();

    static Handle(AppStd_Application) getApplication();

protected:
    void closeEvent(QCloseEvent *event);

private slots:
    void model1();
    void model2();
    void compute();
    void nbThreads();
#ifdef HAVE_Inspector
    void startDFBrowser();
#endif
    void about();

private:
    void createActions();
    void createMenus();
    void createToolBars();
    void createStatusBar();

    GraphWidget* graph;

    QMenu *computeMenu;
    QMenu *helpMenu;
    QToolBar *computeToolBar;
    QAction *model1Act;
    QAction *model2Act;
    QAction *computeAct;
    QAction *nbThreadsAct;
#ifdef HAVE_Inspector
    QAction *dfBrowserAct;
#endif
    QAction *exitAct;
    QAction *aboutAct;

    // Default models.
    // The Model 1 consists of a set of simple functions
    // of the same type.
    // These functions have a double parameter: relative time of execution, and
    // a "forced" parameter: another function.
    // Actually, the functions are independent,
    // but we "force" a dependency between them to test the Function Mechanism using simple functions.
    // So, a function uses a double parameter and produces nothing.
    // I use a TDF_Reference to refer from a function to another function.
    // This way I define a dependency.
    void createDefaultModel1();

    // Another default model, topological.
    void createDefaultModel2();

    // Redraw the nodes (change their colour).
    void redrawGraph();
};

#endif
